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Highly Enantio- and Diastereoselective Reactions of γ-Substituted Butenolides Through Direct Vinylogous Conjugate Additions

✍ Scribed by Wen Zhang; Davin Tan; Richmond Lee; Guanghu Tong; Wenchao Chen; Baojian Qi; Prof. Dr. Kuo-Wei Huang; Prof. Dr. Choon-Hong Tan; Prof. Dr. Zhiyong Jiang

Book ID: 115549869
Publisher: John Wiley and Sons
Year: 2012
Tongue: English
Weight: 753 KB
Volume: 124
Category: Article
ISSN: 0044-8249
DOI: 10.1002/ange.201205872

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## Abstract The formation of chiral γ‐butenolides has been achieved with good yields (up to 90%), high enantioselectivity (up to 91%) and diastereoselectivity (up to 9/1, __anti__‐selective) through an organocatalyzed vinylogous Mukaiyama aldol reaction of 2‐(trimethylsilyloxy)furan and aldehydes.